The weaknesses of the candidates include their inability to:

state the causes of soil acidity;
state the ways by which soil pH influences crop growth;
state the advantages of zero tillage;
define ornamental plants;
give examples of physical, biological and cultural methods of weed control;
give the functions of potassium in crops;
state the advantages of grafting;
state forestry regulations;
calculate the number of teak seedlings from the information provided;
define terms such as stocking rate, fingerlings, polyculture and fishing gears as used in fish farming;
list the factors that influence the water requirements of farm animals;
describe the process of digestion in ruminant animals;
state the objectives of agricultural extension;
list the agencies that are involved in agricultural extension programmes in West Africa;
give the reasons why government in West Africa should encourage agricultural extension services.